com.expressui.core.view.page.UserOwnedEntityFormPage.java Source code

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Here is the source code for com.expressui.core.view.page.UserOwnedEntityFormPage.java

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/*
 * Copyright (c) 2012 Brown Bag Consulting.
 * This file is part of the ExpressUI project.
 * Author: Juan Osuna
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License Version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
 * Brown Bag Consulting, Brown Bag Consulting DISCLAIMS THE WARRANTY OF
 * NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the ExpressUI software without
 * disclosing the source code of your own applications. These activities
 * include: offering paid services to customers as an ASP, providing
 * services from a web application, shipping ExpressUI with a closed
 * source product.
 *
 * For more information, please contact Brown Bag Consulting at this
 * address: juan@brownbagconsulting.com.
 */

package com.expressui.core.view.page;

import com.expressui.core.entity.UserOwnedEntity;
import com.expressui.core.entity.security.User;
import com.expressui.core.view.TypedComponent;
import com.expressui.core.view.form.EntityForm;
import com.vaadin.ui.Alignment;

import javax.annotation.PostConstruct;

/**
 * A page for editing an entity belonging to the current user.
 *
 * @param <T> type of entity for this page
 */
public abstract class UserOwnedEntityFormPage<T extends UserOwnedEntity> extends TypedComponent<T> implements Page {

    @PostConstruct
    @Override
    public void postConstruct() {
        super.postConstruct();

        setWidthUndefined();

        addStyleName("opaque");

        getEntityForm().addStyleName("e-entity-form-in-page");
        getEntityForm().addCancelListener(getMainApplication(), "selectPreviousPage");

        if (isViewAllowed()) {
            addComponent(getEntityForm());
        }

        addCodePopupButtonIfEnabled(Alignment.TOP_LEFT, UserOwnedEntityFormPage.class);
    }

    @Override
    public void postWire() {
        super.postWire();
        getEntityForm().postWire();
    }

    /**
     * Gets the entity form for editing the user-owned entity.
     *
     * @return entity form
     */
    public abstract EntityForm<T> getEntityForm();

    @Override
    public void onDisplay() {
        User user = getCurrentUser();
        T entity = (T) genericDao.findUserOwnedEntity(getType(), user);

        if (entity == null) {
            getEntityForm().create();
            if (getEntityForm().getBean().getUser() == null) {
                getEntityForm().getBean().setUser(user);
            }
        } else {
            getEntityForm().load(entity);
        }

        getEntityForm().getForm().setCaption(getEntityForm().getTypeCaption());

        getEntityForm().onDisplay();
    }
}